253082445 has 32 divisors (see below), whose sum is σ = 504852480. Its totient is φ = 105176640.

The previous prime is 253082441. The next prime is 253082471. The reversal of 253082445 is 544280352.

It is not a de Polignac number, because 253082445 - 2² = 253082441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253082441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108405 + ... + 110714.

It is an arithmetic number, because the mean of its divisors is an integer number (15776640).

Almost surely, 2^253082445 is an apocalyptic number.

It is an amenable number.

253082445 is a deficient number, since it is larger than the sum of its proper divisors (251770035).

253082445 is a wasteful number, since it uses less digits than its factorization.

253082445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219145.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 253082445 is about 15908.5651458577. The cubic root of 253082445 is about 632.5390478270.

The spelling of 253082445 in words is "two hundred fifty-three million, eighty-two thousand, four hundred forty-five".